diff --git a/qt-ui/preferences.ui b/qt-ui/preferences.ui
index 06e000141..4345730ca 100644
--- a/qt-ui/preferences.ui
+++ b/qt-ui/preferences.ui
@@ -652,7 +652,7 @@
               <item>
                <widget class="QCheckBox" name="display_unused_tanks">
                 <property name="text">
-                 <string>unused tanks</string>
+                 <string>unused cylinders</string>
                 </property>
                </widget>
               </item>